package servlet;

import pojo.User;
import service.UserService;
import service.impl.UserServiceimpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;


@WebServlet(urlPatterns = {"/user"})
public class UserServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //jdbc操作数据库
        //创建业务层对象
        UserService userService = new UserServiceimpl();
        List<User> users = userService.findAll();
        req.setAttribute("users", users);
        req.getRequestDispatcher("/user.jsp").forward(req, resp);


        }

    }

